875 FNUS72 KMLB 301358 FWSMLB Spot Forecast for Grasshopper Lake...FICC National Weather Service Melbourne FL 858 AM EST Tue Dec 30 2025 Forecast is based on forecast start time of 0900 EST on December 30. If conditions become unrepresentative, contact the National Weather Service. .DISCUSSION... High pressure establishes itself across the area today, with northwest winds of 5 to 10 mph and gusts to 15 mph possible near the wildfire. Northwest winds persist into the overnight hours and Wednesday, with wind speeds falling to around 5 mph. Dry air settles across east central Florida today and remains in place over the next couple of days, causing minimum RH values to fall below 30% near the site today and to around 25% on Wednesday. Afternoon smoke dispersion values are forecast to remain poor to fair both today and on Wednesday. Rain is not anticipated over the next couple of days. .REST OF TODAY... Sky/weather.........Mostly sunny (45-55 percent). Chance of pcpn......0 percent. Max temperature.....Around 58. Min humidity........29 percent. Wind (20 ft)........Northwest winds 5 to 7 mph. Mixing height.......2600 ft AGL. Transport winds.....Northwest 9 to 15 mph. Dispersion index....Around 31. LVORI...............1. TIME (EST) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM Sky (%).........39 40 34 44 54 58 62 54 47 Weather cov..... Weather type.... Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 0 0 0 Temp............44 47 51 54 56 57 57 57 55 RH..............42 38 35 31 31 29 30 30 32 20 FT wind dir..N N N N NW NW NW NW NW 20 FT wind spd..7 7 6 6 6 6 6 5 5 20 FT wind gust.16 15 16 16 15 15 14 14 13 Mix hgt (kft)...1.7 1.8 1.9 2.0 2.3 2.4 2.5 2.6 2.3 Transp wind dir.N N N N N N NW NW NW Transp wind spd.15 14 12 10 10 10 10 10 9 Dispersion idx..34 31 28 27 30 32 32 34 28 LVORI...........1 1 2 2 1 1 1 1 2 .TONIGHT... Sky/weather.........Partly cloudy (25-35 percent) then becoming clear (0-10 percent). Chance of pcpn......0 percent. Min temperature.....Around 30. Max humidity........60 percent. Wind (20 ft)........Light winds. Mixing height.......500 ft AGL. Transport winds.....North 9 to 14 mph. Dispersion index....10 decreasing to 5. LVORI...............2. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM Sky (%).........47 26 14 3 3 5 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Temp............51 46 42 39 37 33 RH..............40 44 47 48 50 55 20 ft wind......NW 3 NW 2 NW 3 NW 3 NW 3 NW 3 20 ft wind gust.12 12 13 14 13 12 Mix hgt (ft)....800 800 800 800 800 500 Transport wind..NW 9 NW 12 N 13 N 14 N 13 N 10 Dispersion idx..10 5 6 6 6 5 LVORI...........2 2 2 2 2 2 .WEDNESDAY... Sky/weather.........Sunny (0-10 percent). Chance of pcpn......0 percent. Max temperature.....Around 58. Min humidity........25 percent. Wind (20 ft)........Light winds becoming northwest 5 to 6 mph in the late morning and afternoon. Mixing height.......2500 ft AGL increasing to 3000 ft AGL late in the afternoon. Transport winds.....Northwest 9 to 12 mph. Dispersion index....4 increasing to 41. LVORI...............3 decreasing to 1. TIME (EST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM Sky (%).........3 3 1 2 3 4 Weather cov..... Weather type....NONE NONE NONE NONE NONE NONE Tstm cov........ Chc of pcpn (%).0 0 0 0 0 0 Temp............32 33 45 52 56 58 RH..............58 59 37 29 26 25 20 ft wind......NW 2 NW 3 NW 5 NW 6 NW 6 W 5 20 ft wind gust.12 12 13 14 14 13 Mix hgt (ft)....700 1100 1500 2100 2800 2900 Transport wind..N 9 NW 9 NW 10 NW 12 NW 12 W 10 Dispersion idx..4 13 20 32 41 37 LVORI...........3 2 2 1 1 1 $$ Forecaster...Tollefsen Requested by...Micayla Acree Type of request...WILDFIRE .TAG 2528140.0/MLB .DELDT 12/30/25 .FormatterVersion 2.0.0 .EMAIL flfic@firenet.gov